Name: Hail in Montana, July 26, 2009
Start: 2009-07-26T14:15
End: 2009-07-26T14:15
Location: Montana

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS BYZ wrote it up.

A thunderstorm producing 3/4 hail moved just south of Roundup.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Billings, MT wrote its last area forecast discussion before the first event at Jul 26, 1:42 PM MST, 33 minutes earlier.

Area forecast discussion, Jul 26, 1:42 PM MST, 33 minutes before

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Hazardous weather outlook, Jul 26, 1:59 PM MST, 16 minutes before

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In the hours before

Special weather statement, Jul 26, 12:36 PM MST, 1 hour 39 minutes before

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Special weather statement, Jul 26, 2:02 PM MST, 13 minutes before

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Special weather statement, Jul 26, 2:05 PM MST, 10 minutes before

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The radar

The Billings radar (KBLX), 59 km away, was scanning. The volume nearest the first event began at 21:16 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Musselshell

When: July 26, 2:15 PM MST
Where: Musselshell County, 1.46 mi SSW of Klein
Measured: 0.75 in hail
Reported by: Amateur Radio
Coordinates: 46.380, -108.540

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Montana in 2009 Every state in 2009 This day in weather history Warnings in Montana, July 2009

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 181440.